Is it possible to change from the Bank Transfer payment method to the Payment-Upon-Receipt method after I placed the order in Bank Transfer? If possible, do I get charged anything for the change?

If the order has not been sent, you can change the payment method. We will not charge you anything for the change. However, please be aware that the postal fee will change. If you want to change the payment method, please call us at 03-6418-1561 as soon as possible.